About Us

Teijeiro & Ballone’s Teijeiro & Ballone, Abogados specializes in domestic and international corporate and transactional tax advice, as well as administrative and tax litigation at federal, state and municipal levels, for multinationals, medium- and small-size businesses, high net worth individuals and family groups.

Teijeiro & Ballone, Abogados is aimed at fulfilling a growingly increasing need for tailored-made services in the Argentine legal market. It is recognized as a leading Tax Firm by reputed Lawyers publications and rankings such as Chambers & Partners, Legal 500, Who´s Who Legal, Best Lawyer, International Tax Review, Latin Lawyer, and LACCA.

By utilizing its thorough and broad tax knowledge and experience as a starting point for creative but always practical solutions to business needs, Teijeiro & Ballone, Abogados is prepared to implement them from a corporate and/or contractual law perspective as well.

In cross border (inbound or outbound) client projects Teijeiro & Ballone, Abogados partners with leading independent firms in Latin America and throughout the world. Also, a net of associated correspondent firms help the Firm to provide legal and tax advice and representation at courts within Argentina.

Teijeiro & Ballone’s tax practice encompasses tax planning and review of international and domestic business transactions, general tax advice to businesses and individuals, and representing taxpayers in claims assessed by federal and local tax authorities.

The practice group centers around Guillermo O. Teijeiro, a widely recognized specialist with 40+ years of experience in the field.


Mr. Teijeiro is seconded by name partner Mariano Ballone and a team of carefully selected and highly trained lawyers which rounds out one of Argentina’s most distinguished group of tax professionals.

Major clients'​ lines of business include: Agribusiness and farming products, oil and energy, electricity production, transportation and distribution, computer, cell and smartphones manufacturing and commercialization, insurance and reinsurance, hospitality, financial services, multilateral financial agencies, dairy products, retailer and consumer goods, professional services, food services and catering, railroad transport, engineering and electronics, mining, software, and digital economy businesses.